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N6783A-BAT Battery Charge/Discharge Module for the N6700 Modular Power System

Data Sheets

Introduction

Accurately validate the battery for your battery powered device design

  • 2-quadrant operation for use as a power supply to charge or as an electronic load to discharge batteries
  • High-speed digitized measurements to capture/view the voltage and current of the battery up to every 20 μs with built-in 50 kHz digitizer

Battery Validation is Critical to the End-User Experience of Mobile Devices

During the research and development of a battery-powered (mobile) device it is critical to properly qualify the battery that will be used in the final design, especially if the design calls for the battery to be permanently installed in the device. Many different batteries should be evaluated to make sure the best possible battery, providing the best possible operating time, is chosen.

The battery manufacturer’s data sheet is a good place to get an idea of the characteristics of a particular battery. However, the conditions under which the data is gathered is not always consistent with the real-world conditions in which the battery will be used. For example, the temperature at which a battery is charged/discharged or if the charge/discharge is done continuously or with pauses will affect the performance of the battery. Also, the same battery made at two different manufacturing facilities may exhibit different behavior. Thus, as battery users, it is critical for mobile device designers to do their own testing to validate a battery’s performance and determine whether or not it is the best choice for a particular application/device. In order to perform this testing, the ability to both charge and discharge a battery while taking measurements of voltage and current is required.

2-Quadrant Operation and Built-In Digitizer

The Keysight Technologies, Inc. N6783A-BAT battery charge/discharge module is a basic, 2-quadrant DC power module designed to be used by mobile device designers. The N6783A-BAT’s 2-quadrant operation allows it to act as a programmable power supply to charge the battery or as a programmable electronic load to discharge the battery, all in one instrument. (see Figure 1). When used as a power supply (quadrant I), the N6783A-BAT module can be programmed to perform constant-current/constant-voltage charge (CC/CV). When used as an electronic load (quadrant II), the N6783A-BAT module can be programmed to perform CC discharge.

The N6783A-BAT also has a built-in, digitizing measurement system. This system allows accurate measurements over the short and long-term. When used in the Keysight N6705B DC power analyzer mainframe, short- and long-term measurements for battery validation are made easy. The N6705B mainframe enables easy setup of the test and analysis of the results.

N6783A-BAT key features

  • 2-quadrant operation – use as a power supply to charge or as an electronic load to discharge batteries
  • High-speed digitized measurements – capture/view the voltage and current of the battery up to every 20 μs with built-in 50 kHz digitizer
  • Easy to use and setup when installed in the Keysight N6705B DC power analyzer mainframe

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